Admiral Byrd, who spent six months alone at an Antarctic weather station, reported that:

A) he started to overeat.
B) he felt invigorated.
C) he became depressed and apathetic.
D) he found peace and quiet and solitude.

Apathetic

Characterized by a lack of interest, enthusiasm, or concern for things that others find moving or exciting.

Antarctic

The Earth's southernmost continent, surrounding the South Pole, known for its extreme cold temperatures and ice-covered landscape.